THE MONEY CHASE

The cost of a congressional campaign has climbed sixfold over the past two decades. More often than not, incumbents outspend their challengers, and usually the candidates who spend the most win. Here are the main contenders for House and Senate seats in your district, along with how much money they've raised--both overall and from political-action committees

To be sure, the amount of money spent on a bid for the House or the Senate doesn't always determine the outcome. Even the nearly $30 million effort by California Republican Michael Huffington in 1994 could not unseat Dianne Feinstein in the Senate race....